| #serial 7 |
| |
| # Copyright (C) 1998, 1999, 2001, 2003, 2004, 2006 Free Software |
| # Foundation, Inc. |
| |
| # This file is free software; the Free Software Foundation |
| # gives unlimited permission to copy and/or distribute it, |
| # with or without modifications, as long as this notice is preserved. |
| |
| dnl Shamelessly cloned from acspecific.m4's AC_FUNC_UTIME_NULL, |
| dnl then do case-insensitive s/utime/utimes/. |
| |
| AC_DEFUN([gl_FUNC_UTIMES_NULL], |
| [AC_CACHE_CHECK(whether utimes accepts a null argument, ac_cv_func_utimes_null, |
| [rm -f conftest.data; > conftest.data |
| AC_TRY_RUN([ |
| /* In case stat has been defined to rpl_stat, undef it here. */ |
| #undef stat |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| int |
| main () { |
| struct stat s, t; |
| return ! (stat ("conftest.data", &s) == 0 |
| && utimes ("conftest.data", 0) == 0 |
| && stat ("conftest.data", &t) == 0 |
| && t.st_mtime >= s.st_mtime |
| && t.st_mtime - s.st_mtime < 120)); |
| }], |
| ac_cv_func_utimes_null=yes, |
| ac_cv_func_utimes_null=no, |
| ac_cv_func_utimes_null=no) |
| rm -f core core.* *.core]) |
| |
| if test $ac_cv_func_utimes_null = yes; then |
| AC_DEFINE(HAVE_UTIMES_NULL, 1, |
| [Define if utimes accepts a null argument]) |
| fi |
| ] |
| ) |